From nobody Mon Sep 29 20:19:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36B60C25B0E for ; Tue, 16 Aug 2022 00:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356868AbiHPAM1 (ORCPT ); Mon, 15 Aug 2022 20:12:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356696AbiHPACt (ORCPT ); Mon, 15 Aug 2022 20:02:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 008E34DF00; Mon, 15 Aug 2022 13:24:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 36831610E7; Mon, 15 Aug 2022 20:24:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C34CC433D6; Mon, 15 Aug 2022 20:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595048; bh=ENrKwTqUaG6wm01FcYnw3KyNtxaADTZHndpvPJ+CDHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q8K52eHDwRL/J4GyDIrVfwbbShQME+oDKx+W6eIGHvvmVqAntV1+uzdUL1ouaSceK qi73+WpnIqy9hnn439d9/wsbx4cO6zK94bQUtCGmdvibhaSEaMYQd2tVFil1xuwCkC VRSvcIvI354pkSJpD7IjE25b7qQ9Oz3juZEl3DPo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonathan Cameron , Marcelo Schmitt , =?UTF-8?q?Nuno=20S=C3=A1?= , Sasha Levin Subject: [PATCH 5.19 0640/1157] iio: adc: ad7292: Fix alignment for DMA safety Date: Mon, 15 Aug 2022 19:59:56 +0200 Message-Id: <20220815180505.319621687@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonathan Cameron [ Upstream commit 98295a206d04633bae31f279de11ff7d04724bce ] ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 506d2e317a0a ("iio: adc: Add driver support for AD7292") Signed-off-by: Jonathan Cameron Acked-by: Marcelo Schmitt Acked-by: Nuno S=C3=A1 Link: https://lore.kernel.org/r/20220508175712.647246-12-jic23@kernel.org Signed-off-by: Sasha Levin --- drivers/iio/adc/ad7292.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c index 3271a31afde1..92c68d467c50 100644 --- a/drivers/iio/adc/ad7292.c +++ b/drivers/iio/adc/ad7292.c @@ -80,7 +80,7 @@ struct ad7292_state { struct regulator *reg; unsigned short vref_mv; =20 - __be16 d16 ____cacheline_aligned; + __be16 d16 __aligned(IIO_DMA_MINALIGN); u8 d8[2]; }; =20 --=20 2.35.1